CBSE Class 7 Maths Chapter 4 Simple Equation MCQs Question with Solutions
- Answer Key
CBSE Class 7 Maths Chapter 4 Simple Equation FAQs

CBSE Class 7 Maths Chapter 4 Simple Equation MCQs

By Swati Singh

Updated on 17 Nov 2025, 17:17 IST

Check out the NCERT Class 7 Maths Chapter 4 Simple Equations MCQs with answers available here for free in PDF format. These multiple-choice questions are created according to the latest exam pattern to support effective practice. The Simple Equations MCQs provided will help students strengthen their understanding of the chapter.

For additional support and improved exam preparation, students can also refer to the NCERT Solutions for Class 7 Maths Chapter 4 – Simple Equations.

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CBSE Class 7 Maths Chapter 4 Simple Equation MCQs Question with Solutions

1. An equation always contains:

a) Only numbers

b) Only variables

c) An equal sign

d) A greater-than sign

Answer: c

2. A variable is:

a) A fixed value

b) A changing value

c) A symbol that takes any value

d) Both b and c

Answer: d

3. The value of a variable that makes an equation true is called:

a) Expression

b) Solution

c) Operation

d) Constant

Answer: b

4. In the equation x + 5 = 9, x is:

a) Constant

b) Variable

c) Operator

d) Number

Answer: b

5. Solve: x + 7 = 12

a) 5

b) 12

c) 7

d) 19

Answer: a

6. Solve: x − 9 = 6

a) 3

b) 15

c) −3

d) −6

Answer: b

7. Solve: 3x = 21

a) 5

b) 7

c) 8

d) 12

Answer: b

8. Solve: x/4 = 3

a) 7

b) 9

c) 12

d) 16

Answer: c

9. Solve: x − 4 = −8

a) −12

b) 4

c) 8

d) −4

Answer: d

10. Solve: 5x = 0

a) 5

b) 0

c) 1

d) Cannot find

Answer: b

11. A number increased by 5 is 12. The equation is:

a) x − 5 = 12

b) x + 5 = 12

c) x + 12 = 5

d) 5 + x = 5

Answer: b

12. A number decreased by 4 gives 9. Equation:

a) x − 4 = 9

b) x + 4 = 9

c) x − 9 = 4

d) x + 9 = 4

Answer: a

13. Seven times a number is 49. Equation:

a) 49x = 7

b) 7 + x = 49

c) 7x = 49

d) x − 7 = 49

Answer: c

14. Half of a number is 6. Equation:

a) x/2 = 6

b) x ÷ 6 = 2

c) x × 6 = 2

d) x − 2 = 6

Answer: a

15. A number divided by 3 gives 9. Equation:

a) x/9 = 3

b) x/3 = 9

c) x + 3 = 9

d) x − 3 = 9

Answer: b

16. Ritu is 5 years older than Rina. If Rina's age is x, Ritu's age =

a) x − 5

b) x + 5

c) 5x

d) 5/x

Answer: b

17. If a pen costs ₹x, cost of 4 pens =

a) 4 + x

b) x − 4

c) 4x

d) x/4

Answer: c

18. A number multiplied by 6 gives 48, the number is:

a) 8

b) 6

c) 48

d) 12

Answer: a

19. Sum of a number and itself is 21. Equation:

a) x + x = 21

b) x − 2x = 21

c) x × 2 = 21

d) x/2 = 21

Answer: a

20. A number subtracted from 15 gives 7. Equation:

a) x − 15 = 7

b) 15 − x = 7

c) x + 15 = 7

d) 15 + x = 7

Answer: b

21. Solve: 2x + 3 = 11

a) 2

b) 3

c) 4

d) 5

Answer: c

22. Solve: 4x − 5 = 15

a) 4

b) 5

c) 6

d) 8

Answer: b

23. Solve: 7x + 14 = 0

a) −2

b) 2

c) 7

d) 0

Answer: a

24. Solve: x/5 + 2 = 6

a) 10

b) 15

c) 20

d) 25

Answer: c

25. Solve: 9x = 81

a) 8

b) 9

c) 10

d) 0

Answer: b

26. Which of these is an equation?

a) 3x − 7

b) 5x

c) x + 4 = 10

d) 2(x + 3)

Answer: c

27. Expression for "5 less than a number x":

a) x − 5

b) 5 − x

c) x + 5

d) x × 5

Answer: a

28. If x = 3, value of 4x + 1 =

a) 7

b) 12

c) 13

d) 10

Answer: c

29. Equation for "one third of x is 9":

a) x + 3 = 9

b) x ÷ 3 = 9

c) 3x = 9

d) x/3 = 9

Answer: d

30. Solve: x − 18 = −10

a) −28

b) 8

c) −8

d) 28

Answer: b

31. Solve: 4(x + 2) = 24

a) 2

b) 3

c) 4

d) 5

Answer: c

32. Solve: 5x − 3 = 2x + 9

a) 2

b) 3

c) 4

d) 5

Answer: c

33. Solve: 7 + 2x = 3x − 8

a) 5

b) 10

c) 15

d) −15

Answer: c

34. If x = 4, value of 2x² − 3 =

a) 29

b) 28

c) 31

d) 25

Answer: a

35. Solve: (x/2) − 4 = 10

a) 20

b) 24

c) 28

d) 32

Answer: c

Answer Key

Q.No.	Answer	Q.No.	Answer	Q.No.	Answer
1	c	13	c	25	b
2	d	14	a	26	c
3	b	15	b	27	a
4	b	16	b	28	c
5	a	17	c	29	d
6	b	18	a	30	b
7	b	19	a	31	c
8	c	20	b	32	c
9	d	21	c	33	c
10	b	22	b	34	a
11	b	23	a	35	c
12	a	24	c

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CBSE Class 7 Maths Chapter 4 Simple Equation FAQs

What is an equation?

An equation is a mathematical statement that shows two expressions are equal using the symbol “=”.

What is a variable?

A variable is a symbol (usually x, y, or a letter) that can take different numerical values.

What is a constant?

A constant is a fixed numerical value in an equation.

What does solving an equation mean?

Solving an equation means finding the value of the variable that makes the equation true.

What is the solution of an equation?

The value of the variable that satisfies the equation is called its solution.

What does ‘balanced equation’ mean?

A balanced equation has equal values on both sides of the equal sign.

Why do we use the balancing method?

The balancing method helps maintain equality while performing operations on both sides of an equation.

Can we add the same number to both sides of an equation?

Yes. Adding the same number to both sides keeps the equation balanced